The X-Files: Season 10’s plot synopsis: Fox Mulder and Dana Scully reunite to investigate a conspiracy much bigger than either previously imagined. Learning that the government, not aliens, are responsible for UFOs and abductions, the two veteran FBI agents set out to expose the conspirators and other things that go bump in the night.

The trailer starts off with Mulder and Scully hurriedly making their way down a dark hallway as a voice over tells us they have been sought because of their experience with the paranormal. Taking it modestly, the two say “We used to.” in unison. Shortly afterwards, we learn that a man has been decapitated, with his head being placed in a trashcan, possibly as part of some black magic ritual. The narrator speaks of a “conspiracy of terror” as lightning flashes and exposes a mysterious figure standing at the top of a staircase before it starts making it’s way down and we hear the woman at the bottom of the stairs scream off-screen. A man Mulder and Scully speak to claims that someone has used magic to create beings that are “not alive” and “not dead.” Even Mulder finds this hard to believe, stating that it’s not possible before the mysterious figure seen earlier knocks a door down.